Fluid Pressure
The term fluid pressure is coined as, the measurement of the force per unit area of a given surface of a closed container. It is a branch of physics that helps to study the properties of fluid under various conditions of force.
Gauge Pressure
Pressure is the physical force acting per unit area on a body; the applied force is perpendicular to the surface of the object per unit area. The air around us at sea level exerts a pressure (atmospheric pressure) of about 14.7 psi but this doesn’t seem to bother anyone as the bodily fluids are constantly pushing outwards with the same force but if one swims down into the ocean a few feet below the surface one can notice the difference, there is increased pressure on the eardrum, this is due to an increase in hydrostatic pressure.
Compared with an empty ship, would a ship loaded with a cargo of Styrofoam sink deeper into the water or rise in the water? Discuss.
Let the mass of the empty ship be me
Let the mass of the ship with Styrofoam be ms
Even though, Styrofoam is lighter than water. A ship loaded with Styrofoam means that the entire mass on the water will be the mass of the ship and mass of Styrofoam cargo combined. So, Ship with Styrofoam cargo will be heavier than an empty ship.
so,
ms>me
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